UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6Ct6gN/jfV5l3RIUbfATd0M3kPsCdSSu4onPlmtC1k=' 
WHERE 
  key_id = '4dc21dbd097f73892e9ab5834ed7410a6cc2ad801e31efd11e6ffcf7a649bf4a' 
  AND (
    token = 'x6Ct6gN/jfV5l3RIUbfATd0M3kPsCdSSu4onPlmtC1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )